Frog External Morphology & Adaptations — NEET Biology
📚 Practice ConceptBody of a frog is divisible into head and trunk. A neck and tail are absent. Above the mouth, a pair of nostrils is present. Eyes are bulged and covered by a nictitating membrane that protects them while in water. On either side of eyes a membranous tympanum (ear) receives sound signals. The forelimbs and hind limbs help in
Which of the following statements regarding the sense organs and feeding in frogs are NOT correct? S1: The tympanum in frogs is an external structure that functions only for receiving sound signals. S2: Nictitating membrane covers the bulged eyes, providing protection while the frog is in water. S3: Frogs possess well-organized internal ears, but external ears are absent. S4: The organs of touch, taste, and smell in frogs are simple cellular aggregations around nerve endings, unlike eyes and internal ears which are well-organized structures. S5: Maxillary teeth in frogs are primarily used for masticating food before swallowing.
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